#2991B1#2991B1

#2991B1 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.3% C 0.102 H 223.3°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#2991B1
RGB	rgb(41, 145, 177)
HSL	hsl(194, 62%, 43%)
HSV	hsv(194, 77%, 69%)
CMYK	cmyk(76.8%, 18.1%, 0%, 30.6%)
CIE-LAB	lab(55.98, -18.05, -25.09)
CIE-LCH	lch(55.98, 30.91, 234.26°)
OKLab	oklab(61.31% -0.0745 -0.0703)
OKLCH	oklch(61.31% 0.102 223.3)
XYZ	xyz(18.9724, 23.8942, 45.1986)
Luminance	0.2390 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2991B1 #B14929

analogous

#29B18D #2991B1 #294DB1

triadic

#2991B1 #B12991 #91B129

tetradic

#2991B1 #8D29B1 #B14929 #4DB129

square

#2991B1 #8D29B1 #B14929 #4DB129

split-complementary

#2991B1 #B1294D #B18D29

monochromatic

#12404E #1D687F #2991B1 #44B2D4 #75C6DF

Accessibility & contrast

On white

3.63

#2991B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#2991B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2991B1

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2991B1	#FFFFFF	#000000	##000000
##2991B1	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8EB3

Deuteranopia (green-blind)

#6D80B1

Tritanopia (blue-blind)

#009B9B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2991b1;
/* rgb */ color: rgb(41, 145, 177);
/* oklch */ color: oklch(61.3% 0.102 223.3);

Tailwind

colors: {
  custom: {
    50: '#78b1c8',
    500: '#2991b1',
    950: '#000000',
  },
}

SCSS

$custom: #2991b1;
$custom-light: #78b1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2991b1",
  "rgb": {
    "r": 41,
    "g": 145,
    "b": 177
  },
  "hsl": {
    "h": 194.118,
    "s": 62.385,
    "l": 42.745
  },
  "oklch": {
    "l": 0.61309,
    "c": 0.10243,
    "h": 223.3
  },
  "luminance": 0.23897
}

Semantic roles & 50–950 ramp

primary

#2991B1

secondary

#C7846F

accent

#6942E5

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2991B1

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →